Due to a careless mishap, Touya Mochizuki is struck by a stray bolt of lightning from God! However, God offers him a chance to live again in a fantastical, magical world as an apology, and grants him one wish. Touya requests to bring his smartphone with him on his journey into this mystical realm. Thrilled to start anew, Touya discovers that this enchanting world is abundant with magic, a power he possesses a natural affinity for, as well as countless beautiful girls vying for his attention. Despite dealing with romantic frustrations from Linze and Elze Silhoueska, Yumina Urnea Belfast, Leen, and Yae Kokonoe, Touya treasures the companionship they offer as they all delve deeper into the secrets of this new universe.